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Threaded Inserts & Clinch Fasteners › Thread Repair & Solid Threaded Inserts

Internal Locking Phosphor Bronze Helical Screw Thread Repair Wire Inserts

Updated 2026-11-04 · Markdown version

Model no. EA-M8

US$0.37100–9,999 pieces

US$0.3510,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Surface Finishing: Polished
Customized: Non-Customized
Thread Accuracy: 6h
Nominal Length: 1d-3D
Thread Type: Fine/Coarse
Common Used Thread: Metric Thread Sizes
Other Common Used Thread: DIN8140 Sizes
Pitch: 0.7

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Model NO.	EA-M8
Usage	Building, Machinery, Medical, Rocket, Shipping, Chemical, High Speed Train
Rotation Direction	Right Rotation
Surface Finishing	Polished
Certification	ISO, RoHS
Customized	Non-Customized
Thread Accuracy	6h
Nominal Length	1d-3D
Application	Aerospace, Electronics, New Energy Cars
Thread Type	Fine/Coarse
Sample	Available
Payment Type	T/T
Common Used Thread	Metric Thread Sizes
Other Common Used Thread	DIN8140 Sizes
Other Name	Tanged Thread Inserts
Pitch	0.7
Transport Package	Plastic Bags+Carton+Pallet
Specification	1000pcs/bag
Origin	China
HS Code	7318190000
Production Capacity	500000PCS/Week
Customization	Available
Material	Phosphor Bronze
Type	Common
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Threaded type	Metric Unified
Surface treatment	Colared
Step one	With the slotted or three hole end facing downwards, screw the threaded end of the installation tool into the other end of the thread
Step two	At this point, align the thread insert vertically with the bottom hole, rotate the tool, and the screw sleeve can be screwed in.
Step three	After screwing it into place, use one wrench
Package	Usually finished products will be put into plastic bags and outer with carton cases.
Delivery time	Stocked goods can be delivered out the same day we received the order.
lSO	9001 2008 System Approved for Quality Assurance
https	//eliteaviation.en.made-in-china.com/
Category	Thread Repair & Solid Threaded Inserts

Technical parameters

Nonimal Diameter(d)	Pitch(P)	Length	Coils(W)	OD in Free State(Dz)	Bit Diameter(d)	Drill Depth(L3)	Actual Effective Length(L2)
×d	L1
2	0.4	1d	2.0	2.9	2.60~2.80	2.1	3.6	1.6
1.5d	3.0	4.9	4.6	2.6
2d	4.0	6.9	5.6	3.6
2.5d	5.0	8.9	6.6	4.6
3d	6.0	10.9	7.6	5.6
2.5	0.45	1d	2.5	3.5	3.30~3.50	2.6	4.3	2.1
1.5d	3.75	5.9	5.6	3.3
2d	5.0	8.1	6.8	4.6
2.5d	6.25	10.5	8.1	5.8
3d	7.5	12.9	9.3	7.0
3	0.5	1d	3.0	3.9	3.80~4.00	3.1	5.0	2.5
1.5d	4.5	6.3	6.5	4.0
2d	6.0	8.7	8.0	5.5
2.5d	7.5	11.1	9.5	7.0
3d	9.0	13.5	11.0	8.5
4	0.7	1d	4.0	3.7	5.05~5.25	4.2	6.8	3.3
1.5d	6.0	6.1	8.8	5.3
2d	8.0	8.4	10.8	7.3
2.5d	10.0	10.9	12.8	9.3
3d	12.0	13.2	14.8	11.3
5	0.8	1d	5.0	4.3	6.35~6.60	5.2	8.2	4.2
1.5d	7.5	6.9	10.7	6.7
2d	10.0	9.7	13.2	9.2
2.5d	12.5	12.3	15.7	11.7
3d	15.0	14.8	18.2	14.2
6	1	1d	6.0	4.2	7.60~7.85	6.3	10.0	5.0
1.5d	9.0	6.9	13.0	8.0
2d	12.0	9.6	16.0	11.0
2.5d	15.0	12.3	19.0	14.0
3d	18.0	14.6	22.0	17.0
8	1.25	1d	8.0	4.7	9.85~10.10	8.3	13.0	6.8
1.5d	12.0	7.4	17.0	10.8
2d	16.0	10.6	21.0	14.8
2.5d	20.0	13.5	25.0	18.8
3d	24.0	16.4	29.0	22.8
8	1	1d	8.0	6.1	9.85~10.10	8.3	12.0	7.0
1.5d	12.0	9.5	16.0	11.0
2d	16.0	12.9	20.0	15.0
2.5d	20.0	16.5	24.0	19.0
3d	24	19.9	28.0	23.0
10	1.5	1d	10.0	5.0	12.10~12.50	10.4	16.0	8.5
1.5d	15.0	8.1	21.0	13.5
2d	20.0	11.2	26.0	18.5
2.5d	25.0	14.2	31.0	23.5
3d	30.0	17.2	36.0	28.5
10	1.25	1d	10.0	6.0	12.10~12.50	10.3	15.0	8.8
1.5d	15.0	9.7	20.0	13.8
2d	20.0	13.1	25.0	18.8
2.5d	25.0	16.9	30.0	23.75
3d	30.0	20.1	35.0	28.75
10	1	1d	10.0	7.6	12.10~12.50	10.3	14.0	9.0
1.5d	15.0	12.1	19.0	14.0
2d	20.0	16.3	24.0	19.0
2.5d	25	20.7	29.0	24.0
3d	30	25.0	34.0	29.0
12	1.75	1d	12.0	5.2	14.40~14.80	12.4	19.0	10.3
1.5d	18.0	8.4	25.0	16.3
2d	24.0	11.7	31.0	22.3
2.5d	32.0	14.7	39.0	30.3
3d	36.0	18.0	43.0	34.3
12	1.5	1d	12.0	6.2	14.40~14.80	12.4	18.0	10.5
1.5d	18.0	9.8	24.0	16.5
2d	24.0	13.5	30.0	22.5
2.5d	32.0	17.1	38.0	30.5
3d	36.0	20.8	42.0	34.5
12	1.25	1d	12.0	7.4	14.40~14.80	12.3	17.0	10.8
1.5d	18.0	11.6	23.0	16.8
2d	24.0	15.9	29.0	22.8
2.5d	30.0	20.0	35.0	28.75
3d	36.0	24.3	41.0	34.75
12	1	1d	12.0	9.3	14.40~14.80	12.3	16.0	11.0
1.5d	18.0	14.5	22.0	17.0
2d	24.0	19.5	28.0	23.0
2.5d	30.0	24.8	34.0	29.0
3d	36.0	30.0	40.0	35.0
14	2	1d	14.0	5.6	16.80~17.20	14.5	22.0	12.0
1.5d	21.0	8.8	29.0	19.0
2d	28.0	12.0	36.0	26.0

Description

Internal Locking Phosphor Bronze Helical Screw Thread Repair Wire Inserts is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Common
Material: Phosphor Bronze
Surface treatment: Colared
Application: Aerospace, Electronics, New Energy Cars
Certification: ISO, RoHS
Rotation Direction: Right Rotation
Surface Finishing: Polished
Thread Accuracy: 6h

Available configurations include surface finishing, customized, thread accuracy, nominal length and thread type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.35 – 0.37 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Internal Locking Phosphor Bronze Helical Screw Thread Repair Wire Inserts?

The listed minimum order is 100 pieces, at US$0.35 – 0.37 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.37 for 100–9,999 pieces; US$0.35 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Internal Locking Phosphor Bronze Helical Screw Thread Repair Wire Inserts?

Type: Common; Material: Phosphor Bronze; Surface treatment: Colared; Application: Aerospace, Electronics, New Energy Cars; Certification: ISO, RoHS; Rotation Direction: Right Rotation. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include surface finishing, customized, thread accuracy, nominal length and thread type. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other thread repair & solid threaded inserts are available?

The Thread Repair & Solid Threaded Inserts category lists 961 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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US$0.35 – 0.37MOQ 100 piecesGet a quote WA